Impact of Discontinuation of Antithrombotic Therapy Following Closure of Patent Foramen Ovale in Patients With Cryptogenic Embolism

The American Journal of Cardiology
Jérôme Wintzer-WehekindJosep Rodés-Cabau

Abstract

No data exist on the optimal duration of antithrombotic therapy (AT) following patent foramen ovale (PFO) closure. We sought to assess the safety of AT discontinuation following PFO closure in patients with a cryptogenic ischemic event. A total of 453 consecutive patients (mean age: 48 ± 13years, men: 51%) who underwent PFO closure due to a cryptogenic ischemic event were included. All patients were on AT following PFO closure (antiplatelet therapy: 92.7%, anticoagulation: 7.3%). Ischemic and bleeding events, and AT were assessed at a median follow-up of 8 (IQR: 4 to 11) years, and follow-up was complete in 96% of patients. Stroke and transient ischemic attack occurred in 4 (0.9%) and 12 (2.6%) patients, respectively, and 27 (6.0%) patients had bleeding events (major in 6 [1.3%] patients, including 4 episodes of intracranial hemorrhage). All major bleeding events occurred under aspirin therapy. A total of 82 patients (18%) stopped the AT at a median of 7 (IQR: 5 to 34) months post-PFO closure (due to a bleeding event or gastrointestinal symptoms: 13 patients, no specific reason: 69 patients), and none of them had any ischemic event after a median time of 7 (IQR 3 to 10) years without any AT. A propensity score matched analysis ...Continue Reading

Citations

Jan 30, 2021·Semergen·C Martín MañeroE Martín Rioboó
Sep 3, 2021·Scandinavian Cardiovascular Journal : SCJ·Mark AplinNiels H Andersen

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